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Old 11-19-2007, 10:29 AM   #1 (permalink)
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What's the opinion on mixing kerosene with diesel?

On our old 1978 Ford diesel tractor, my dad always used to mix kerosene with the diesel to make the tractor easier to start in winter.

He told me he put in 1 gallon of kerosene for every 5 gallons of diesel.

Is this a good idea or no?
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Old 11-19-2007, 10:31 AM   #2 (permalink)
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Re: What's the opinion on mixing kerosene with diesel?

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: ghunt</div><div class="ubbcode-body">On our old 1978 Ford diesel tractor, my dad always used to mix kerosene with the diesel to make the tractor easier to start in winter.

He told me he put in 1 gallon of kerosene for every 5 gallons of diesel.

Is this a good idea or no? </div></div>It's OK to do this. This is really all that #1 diesel is (but with more kerosene than a 1:5 ratio). Two down sides: less lubricity of fuel & you milage will go down a little.
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Old 11-19-2007, 04:28 PM   #3 (permalink)
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Re: What's the opinion on mixing kerosene with diesel?

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Mark Hodowanec</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: ghunt</div><div class="ubbcode-body">On our old 1978 Ford diesel tractor, my dad always used to mix kerosene with the diesel to make the tractor easier to start in winter.

He told me he put in 1 gallon of kerosene for every 5 gallons of diesel.

Is this a good idea or no? </div></div>It's OK to do this. This is really all that #1 diesel is (but with more kerosene than a 1:5 ratio). Two down sides: less lubricity of fuel & you milage will go down a little. </div></div>
What vehicle are you talking about? A tractor or your truck?
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Old 11-20-2007, 05:28 PM   #4 (permalink)
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Re: What's the opinion on mixing kerosene with diesel?

The refineries in this area are adding 15% kerosene to Diesel right at this time. That gives a cloud point of about -18.
Later in the winter, they will increase the ratio to 20%. They also add a lubricity agent to compensate for the lack of kerosene's lubricity.
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Old 11-20-2007, 06:01 PM   #5 (permalink)
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Re: What's the opinion on mixing kerosene with diesel?

It doesnt get cold in Montana...lol...
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Old 11-28-2007, 12:02 AM   #6 (permalink)
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Re: What's the opinion on mixing kerosene with diesel?

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: ghunt</div><div class="ubbcode-body">On our old 1978 Ford diesel tractor, my dad always used to mix kerosene with the diesel to make the tractor easier to start in winter.

He told me he put in 1 gallon of kerosene for every 5 gallons of diesel.

Is this a good idea or no? </div></div>We used to do this years ago when I was trucking. There were times when we would end up with too much summer fuel from a southern area when headed north into cold weather. It worked well but not sure I would do it with the newer technology engines.
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Old 11-28-2007, 09:03 AM   #7 (permalink)
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Re: What's the opinion on mixing kerosene with diesel?

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: montanafan</div><div class="ubbcode-body">The refineries in this area are adding 15% kerosene to Diesel right at this time. That gives a cloud point of about -18.
Later in the winter, they will increase the ratio to 20%. They also add a lubricity agent to compensate for the lack of kerosene's lubricity. </div></div>

This deserves more emphasis:
If you're buying pump fuel, and you're not talking about a leftover tankful from another season or another region, the blending has already been done for you.
It's not necessary to do any more blending on your own.
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Old 11-28-2007, 09:43 AM   #8 (permalink)
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Re: What's the opinion on mixing kerosene with diesel?

Exactly, we are talking about mixing kerosene with #2 (or summer) Diesel. Winter fuel is already blended when you buy it. (Usually) It is possible to find #2 Diesel year around so one needs to know what he's dealing with. However, with proper lubrication added, straight kerosene would probably run great and be safe in the machine that he wants to use it in.
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Old 11-28-2007, 10:25 AM   #9 (permalink)
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Re: What's the opinion on mixing kerosene with diesel?

Can a diesel truck run on straight kerosene?

Didn't know that...

Anyway I probably wouldn't bother mixing kerosene with diesel, considering that a gallon of kerosene is $3.20 here, and most of those diesel additives that treat 35 gallons or so are around $5.
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Old 11-28-2007, 12:49 PM   #10 (permalink)
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Re: What's the opinion on mixing kerosene with diesel?

Kerosene is pretty similar to Diesel, but the Cetane number is different and there are no lubricating qualities in it. Without researching, I would say that there are other properties that are different. I wouldn't use it in any modern rig.
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Old 11-29-2007, 08:46 PM   #11 (permalink)
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Re: What's the opinion on mixing kerosene with diesel?

It will run fine, and in fact can be used to clean injectors, I would run it heavier than 5-1 and maybe add some power service or a similar lubricating additive. Newer rigs will run even better than older units due to the lack of sulphur in the systems.
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Old 11-30-2007, 08:31 AM   #12 (permalink)
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Re: What's the opinion on mixing kerosene with diesel?

I wouldn't run straight kerosene or even a high ratio of kerosene to diesel in any diesel engine. John Deere used to make two cylinder spark ignition tractors that started on gasoline but once warmed up, switched to kerosene. This shows us two things. That kerosene is sufficiently volatile enough to ignite with a spark plug and lacking enough in oiliness to foul out a spark engine. Which means it has properties somewhere between gasoline and diesel, making it an unsafe bet in a diesel motor. A diesel engine's fuel system relies on lubrication provided by the fuel and it has an extremely high compression ratio in order to ignite a compressed mixture of diesel and air, meaning that the engine was engineered to run on diesel or a similar fuel, not something akin to gasoline.
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Old 11-30-2007, 08:41 AM   #13 (permalink)
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Re: What's the opinion on mixing kerosene with diesel?

You are right in that I don't think I'd want to use straight kerosene, either, BUT kerosene is about as close to Diesel as you can get without being Diesel. It is "drier" than Diesel and definitely needs some added lubricity. The John Deere tractor of which you speak may have depended on the presence of heat in the cylinder to ignite the kerosene, and not entirely on the heat generated by compression.
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Old 12-07-2007, 04:18 PM   #14 (permalink)
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Re: What's the opinion on mixing kerosene with diesel?

So I got another question of curiosity to add to this post.

Considering that kerosene is 40-50 cents per gallon cheaper than diesel, what if you did this-

Filled truck with kerosene (saving $15 on 35 gallons), added some two stroke oil, and added Diesel Kleen. You'd still end up saving almost $10 even after buying the additives.

On my old diesel, makes me wonder how it would run. Not sure if I'm brave enough to try it though. It is only $10 difference.
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Old 12-07-2007, 05:39 PM   #15 (permalink)
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Re: What's the opinion on mixing kerosene with diesel?

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: ghunt</div><div class="ubbcode-body">
Considering that kerosene is 40-50 cents per gallon cheaper than diesel, what if you did this-

</div></div>

Around here kerosene is MORE than diesel [img]/forums/images/%%GRAEMLIN_URL%%/shocked.gif[/img]
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